Oval steam turbine casing



FIG. 1 is a rear perspective view of an oval steam turbine casing, in accordance with the present design;

FIG. 2 is a rear view of the oval steam turbine casing of FIG. 1;

FIG. 3 is a front view of the oval steam turbine casing of FIG. 1;

FIG. 4 is right side view of the oval steam turbine casing of FIG. 1;

FIG. 5 is a left side view of the oval steam turbine casing of FIG. 1;

FIG. 6 is a cross-sectional view of the oval steam turbine casing of FIG. 1 along line 6-6;

FIG. 7 is a cross-sectional view of the oval steam turbine casing of FIG. 1 along line 7-7;

FIG. 8 is a cross-sectional view of the oval steam turbine casing of FIG. 1 along line 8-8; and,

FIG. 9 is a cross-sectional view of the oval steam turbine casing of FIG. 1 along line 9-9.

The broken lines in FIGS. 1-9 depict portions of the steam turbine casing that form no part of the claimed design. 

CLAIM The ornamental design for an oval steam turbine casing, as shown and described. 